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OSG Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer - Straight-Flute Machine Taps for Aluminum
OSGStraight-Flute Machine Taps for Aluminum

OSG Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer

The OSG Straight Flute Tap (1/4"-28 UNF) is a 4-flute, bottoming-chamfer machine tap for aluminum, with H3 / 2B-3B tolerance and V Coated Powdered Metal construction (MPN 1005600308). 3G Electric interprets demand…

SKU 3G-OTH-211037

Brand
OSG
Item
Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer
Category
Straight-Flute Machine Taps for Aluminum
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Technical Specifications

OSG
Manufacturer Part Number
1005600308
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
4

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Straight Flute Tap (1/4"-28 UNF) is a 4-flute, bottoming-chamfer machine tap for aluminum, with H3 / 2B-3B tolerance and V Coated Powdered Metal construction (MPN 1005600308). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — with specialist depth in cutting tools and controls — ensuring you get the right solution, not just a part number.

Frequently Asked Questions

What is the OSG Straight Flute Tap 1/4"-28 UNF used for?

This OSG straight flute tap is designed for threading blind holes in aluminum and non-ferrous materials. Its bottoming chamfer allows threading close to the hole bottom, while the V coating on powdered metal reduces friction and extends tool life in production environments.

What are the specifications of the OSG Straight Flute Tap 1/4"-28 UNF?

This tap has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is made of V coated powdered metal. The manufacturer part number is 1005600308. It is designed for machine tapping in aluminum and similar materials.

Where to buy the OSG Straight Flute Tap 1/4"-28 UNF worldwide?

3G Electric supplies the OSG Straight Flute Tap 1/4"-28 UNF worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source genuine OSG tooling for industrial customers globally.

How to select the correct OSG tap for aluminum threading?

For aluminum, choose a tap with a polished flute or coating to reduce chip adhesion. The OSG straight flute tap with V coated powdered metal and H3 / 2B-3B tolerance is suitable for blind holes. Ensure the tap size matches your thread specification, such as 1/4"-28 UNF.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG straight-flute machine taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005200308)
OSG
OSG Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005200308)
This straight-flute machine tap is designed for threading aluminum and non-ferrous materials. With a bottoming chamfer and 5 flutes, it enables threading close to the bottom of blind holes. The V coating on powdered metal construction provides wear resistance for production tapping. Thread size: 7/8"-14 UNF, tolerance H3 / 2B-3B
OSG
This straight-flute machine tap is designed for threading aluminum and non-ferrous materials. With a bottoming chamfer and 5 flutes, it enables threading close to the bottom of blind holes. The V coating on powdered metal construction provides wear resistance for production tapping. Thread size: 7/8"-14 UNF, tolerance H3 / 2B-3B
OSG Straight Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005200908)
OSG
OSG Straight Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005200908)
OSG Straight Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 5 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005602408)
OSG
OSG Straight Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 5 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005602408)
Straight-flute machine tap designed for threading aluminum and non-ferrous materials. Features a bottoming chamfer for blind holes, 4 flutes for chip evacuation, and V coated powdered metal construction. Thread size 1/4"-20 UNC with H3 / 2B-3B tolerance class. Suitable for through or blind hole threading in general manufacturing
OSG
Straight-flute machine tap designed for threading aluminum and non-ferrous materials. Features a bottoming chamfer for blind holes, 4 flutes for chip evacuation, and V coated powdered metal construction. Thread size 1/4"-20 UNC with H3 / 2B-3B tolerance class. Suitable for through or blind hole threading in general manufacturing
OSG Straight Flute Tap: 1"-8 UNC, H3 / 2B-3B, 5 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005203408)
OSG
OSG Straight Flute Tap: 1"-8 UNC, H3 / 2B-3B, 5 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005203408)

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